Home / 9,126.36-12,593.87-5,147.24

Finding the Fourth Proportional to 9,126.36, 12,593.87 and 5,147.24

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Solution

The fourth proportional to 9,126.36, 12,593.87 and 5,147.24 is: 7,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.36 : 12,593.87 = 5,147.24 : x
  2. Step 2: Convert to fraction form
    9,126.36/12,593.87 = 5,147.24/x
  3. Step 3: Cross multiply
    9,126.36x = 12,593.87 × 5,147.24
  4. Step 4: Simplify right side
    9,126.36x = 64,823,582.71
  5. Step 5: Solve for x
    x = 64,823,582.71/9,126.36
  6. Step 6: Final answer
    x = 7,102.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.